A trendy prefix used by a lot of companies in the IT and consumer electronics business coined by the bastards at Microsoft. It was introduced to ease the computer and technology illiterate into the world of machines by making the machine look and sound more personable... you know, just in case you didn't already know that the files and the computer was "yours".

My is a womens name. My is also the twelfth letter in the Greek alphabet. Also Vietnamese name, "magnificent, talented, beautiful, unique". My means one millionth or possibly; one in a million.
My is also a goddess with the pronunciation Mie, hence the power to have a good memory, get others in good spirits and has the ability to know how others feel / know by just looking at them.